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Key filings, March 26, 2026

1,792 filings · 10 highlights
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Supply contracts 30

3/26AmendedNamkwang Engineering & ConstructionWorth 211% of last year's revenue, over about 87 months.₩244B
3/26AmendedJeioWorth 68.2% of last year's revenue, over about 38 months.₩53.6B
3/26AmendedNam Hwa Construction CompanyWorth 49.9% of last year's revenue, over about 43 months.₩35.8B
3/26SI ResourcesWorth 37.7% of last year's revenue, over about 1 month.₩4B
3/26AmendedKorea Electronic Power Industrial DevelopmentWorth 33% of last year's revenue, over about 130 months.₩121B
3/26AmendedMX RoboticsWorth 27% of last year's revenue, over about 73 months.₩34.5B
3/26WotWorth 19.9% of last year's revenue, over about 9 months.₩3B
3/26M eighty-threeWorth 18% of last year's revenue, over about 22 months.₩10.5B
3/26WISE iTechWorth 16% of last year's revenue, over about 16 months.₩5.6B
3/26AmendedAsiclandWorth 14.1% of last year's revenue, over about 20 months.₩13.2B
3/26AmendedNeuromekaWorth 11.6% of last year's revenue, over about 18 months.₩2.9B
3/26AmendedNarae NanotechWorth 10.6% of last year's revenue, over about 3 months.₩4.3B
3/26AmendedHansung CleantechWorth 10.4% of last year's revenue, over about 14 months.₩16.2B
3/26MiraeING.Worth 9.5% of last year's revenue, over about 12 months.₩1.1B
3/26NextinWorth 9.3% of last year's revenue, over about 7 months.₩10.6B
3/26SK biopharmaceuticalsWorth 8.1% of last year's revenue, over about 1 month.₩44.3B
3/26AmendedSoosan IndustriesWorth 7.3% of last year's revenue, over about 101 months.₩23.6B
3/26AmendedTY HoldingsWorth 7.2% of last year's revenue, over about 100 months.₩188B
3/26AmendedTaeyoung Engineering & ConstructionWorth 7.2% of last year's revenue, over about 100 months.₩188B
3/26IsteWorth 7% of last year's revenue, over about 14 months.₩2.9B
3/26Samsung C&TWorth 6.9% of last year's revenue, over about 56 months.₩2.89T
3/26AmendedDexter studiosWorth 6.8% of last year's revenue, over about 18 months.₩4.6B
3/26Galaxia SMWorth 6.7% of last year's revenue, over about 4 months.₩2.2B
3/26DongbuWorth 5.8% of last year's revenue, over about 69 months.₩98.5B
3/26WotWorth 5.6% of last year's revenue, over about 4 months.₩846M
3/26AmendedDL HoldingsWorth 5.2% of last year's revenue, over about 100 months.₩391B
3/26AmendedDL E&CWorth 5.2% of last year's revenue, over about 100 months.₩391B
3/26AmendedJW HoldingsWorth 4.2% of last year's revenue.₩28.6B
3/26UangelWorth 3% of last year's revenue, over about 12 months.₩1.6B
3/26Samhwa NetworksSingle sales/supply contract

Insider trades 38

3/26ISCInsider ownership report
3/26PJ MetalInsider ownership report
3/26Samsung Electro-MechanicsInsider ownership report
3/26iM Financial GroupInsider ownership report
3/26Daea TIInsider ownership report
3/26Aekyung IndustrialInsider ownership report
3/26MekicsInsider ownership report
3/26SK TelecomInsider ownership report
3/26Aekyung IndustrialInsider ownership report
3/26Incar Financial ServiceInsider ownership report
3/26Hydro LithiumInsider ownership report
3/26L&C BIOInsider ownership report
3/26iWINInsider ownership report
3/26HS Hyosung Advanced MaterialsInsider ownership report
3/26Hotel ShillaInsider ownership report
3/26SK hynixInsider ownership report
3/26S NET SystemsInsider ownership report
3/26SK hynixInsider ownership report
3/26Samik PharmInsider ownership report
3/26Miwon HoldingsInsider ownership report
3/26Fine DNCInsider ownership report
3/26SK BioscienceInsider ownership report
3/26Fine DNCInsider ownership report
3/26Yuanta Securities KoreaInsider ownership report
3/26PNC TechnologiesInsider ownership report
3/26Miwon CommercialInsider ownership report
3/26The Asia Business DailyInsider ownership report
3/26EnbioInsider ownership report
3/26POSCO HoldingsInsider ownership report
3/26HanpassInsider ownership report
3/26Jeju BankInsider ownership report
3/26Very Good TourInsider ownership report
3/26AmendedKomelonInsider ownership report
3/26VECT RoboticsInsider ownership report
3/26JincostechInsider ownership report
3/26AustemInsider ownership report
3/26EgtronicsInsider ownership report
3/26FnGuideInsider ownership report

5% holders 38

3/26Below 5%Aekyung IndustrialA major holder's stake fell from 63.34% to 0.00% (related-party change).0.00%
3/26New 5%HanpassA major holder's stake rose from 0.00% to 44.64%.44.64%
3/26Below 5%Daesung Microbiological Labs.A major holder's stake fell from 38.60% to 0.00%.0.00%
3/26New 5%JincostechA major holder's stake rose from 0.00% to 8.62% (open-market buy).8.62%
3/26New 5%HanpassA major holder's stake rose from 0.00% to 6.50%.6.50%
3/26New 5%IMBiologicsA major holder's stake rose from 0.00% to 5.68% (open-market sale).5.68%
3/26New 5%Sung Kwang BendA major holder's stake rose from 0.00% to 5.35% (new report).5.35%
3/26New 5%Global Tax FreeA major holder's stake rose from 4.90% to 6.95%.6.95%
3/26JincostechA major holder's stake fell from 48.88% to 39.14% (related-party change).39.14%
3/26Below 5%MiA major holder's stake fell from 5.47% to 0.00% (conversion/exercise).0.00%
3/26Ewon ComfortechA major holder's stake rose from 9.30% to 14.64% (conversion/exercise).14.64%
3/26PNC TechnologiesA major holder's stake rose from 34.38% to 37.19% (new report).37.19%
3/26Advanced Nano ProductsA major holder's stake fell from 24.76% to 22.13%.22.13%
3/26AeroSpace Technology of KoreaA major holder's stake fell from 9.99% to 7.73% (conversion/exercise).7.73%
3/26KR MotorsA major holder's stake rose from 74.73% to 76.50% (conversion/exercise).76.50%
3/26Hanwha REITA major holder's stake rose from 23.09% to 24.34%.24.34%
3/26HS Hyosung Advanced MaterialsA major holder's stake rose from 51.70% to 52.92% (pledge).52.92%
3/26AustemA major holder's stake rose from 14.32% to 15.25% (open-market buy).15.25%
3/26THE Nature HoldingsA major holder's stake rose from 5.60% to 6.22%.6.22%
3/26GFC Life ScienceA major holder's stake rose from 36.62% to 37.01% (related-party change).37.01%
3/26L&C BIOA major holder's stake fell from 27.46% to 27.12% (related-party change).27.12%
3/26DavolinkA major holder's stake fell from 25.53% to 25.37% (related-party change).25.37%
3/26iWINA major holder's stake rose from 29.54% to 29.69% (open-market buy).29.69%
3/26Fine DNCA major holder's stake rose from 53.89% to 54.03% (open-market buy).54.03%
3/26DreamtechA major holder's stake rose from 41.44% to 41.57% (stock option).41.57%
3/26MekicsA major holder's stake rose from 25.01% to 25.11% (stock option).25.11%
3/26LFA major holder's stake rose from 58.22% to 58.29% (pledge).58.29%
3/26SangboA major holder's stake rose from 16.95% to 16.99% (related-party change).16.99%
3/26Daea TIA major holder's stake rose from 16.15% to 16.18% (related-party change).16.18%
3/26KoreaAlcoholIndustrialA major holder's stake fell from 39.44% to 39.43% (related-party change).39.43%
3/26Hana TechnologyA major holder's stake rose from 29.32% to 29.32% (share lending).29.32%
3/26Penetrium BioscienceA major holder's stake rose from 37.17% to 37.17% (pledge).37.17%
3/26Hyundai BioscienceA major holder's stake rose from 11.96% to 11.96% (pledge).11.96%
3/26Lotte Energy MaterialsA major holder's stake rose from 19.96% to 19.96% (pledge).19.96%
3/26MiReport of 5%+ holding
3/26AmendedHankook & CompanyA major holder's stake rose from 47.25% to 47.25%.47.25%
3/26AmendedHankook & CompanyReport of 5%+ holding
3/26Daesung Microbiological Labs.A major holder's stake rose from 38.60% to 38.60%.38.60%

Buybacks 23

3/26TrustMeritz Financial GroupSigned a ₩700B trust contract to buy back shares.₩700B
3/26TrustMeritz Financial GroupEnded a share buyback trust contract.₩200B
3/26CancellationMeritz Financial GroupCancels 1,654,000 sh, 0.98% of shares issued, on Apr 9.1,654,000 sh
3/26CancellationMIRAE ASSET Life InsuranceCancels 31,836,189 sh, 19.06% of shares issued, on Apr 8.31,836,189 sh
3/26CancellationSKNetworksCompanyCancels 20,714,661 sh, 9.36% of shares issued, on Apr 16.20,714,661 sh
3/26DisposalHyundai MotorPlans to dispose of 50,458 sh of treasury stock, Apr 1 to Apr 1.₩25.3B
3/26DisposalLS ElectricPlans to dispose of 22,581 sh of treasury stock, Mar 27 to Apr 30.₩19.1B
3/26CancellationIncrossCancels 644,600 sh, 5.02% of shares issued, on Apr 30.644,600 sh
3/26DisposalOPTUS PharmaceuticalPlans to dispose of 849,985 sh of treasury stock, Mar 27 to Apr 10.₩14.2B
3/26CancellationSeah HoldingsCancels 71,000 sh, 1.65% of shares issued, on Apr 17.71,000 sh
3/26CancellationDaou TechnologyCancels 1,579,305 sh, 3.52% of shares issued, on Apr 1.1,579,305 sh
3/26CancellationTPCancels 4,277,780 sh, 8.36% of shares issued, on Mar 31.4,277,780 sh
3/26TrustEuBiologicsSigned a ₩6B trust contract to buy back shares.₩6B
3/26DisposalKUMHO Engineering & ConstructionPlans to dispose of 825,190 sh of treasury stock, Apr 13 to Apr 17.₩4.3B
3/26BuybackDoznPlans to buy back 933,125 sh of treasury stock, Mar 31 to May 29.₩3B
3/26DisposalWoongjinPlans to dispose of 747,125 sh of treasury stock, Mar 26 to Mar 30.₩2B
3/26DisposalCowin RoboticsPlans to dispose of 85,728 sh of treasury stock, Mar 27 to Mar 31.₩1.2B
3/26DisposalKwangdong PharmaceuticalPlans to dispose of 141,500 sh of treasury stock, Apr 1 to Feb 28.₩1B
3/26DisposalSKPlans to dispose of 1,903 sh of treasury stock, Apr 2 to Apr 9.₩658.4M
3/26DisposalDaedongPlans to dispose of 59,637 sh of treasury stock, Mar 26 to Apr 25.₩601.7M
3/26DisposalNeptune CompanyPlans to dispose of 7,250 sh of treasury stock, Apr 1 to Apr 1.₩30.3M
3/26AmendedCancellationHankuk CarbonCancels 2 sh, 64.52% of shares issued, on Mar 27.2 sh
3/26LSTreasury stock disposal

Share issues & bonds 19

3/26Bonus issueDaedongMetalBonus issue of new shares equal to 100% of existing shares.3,189,166 sh
3/26CBPeople & Technology MsConversion price ₩3,191; if all converted, equal to 11.1% of shares outstanding.₩5B
3/26AmendedCBPolaris AI PharmaConversion price ₩9,106; if all converted, equal to 7.5% of shares outstanding.₩10B
3/26Osung Advanced MaterialsRights offering
3/26Doosan RoboticsRights offering
3/26HanwhaRights offering
3/26Hanwha SolutionsRights offering
3/26AmendedKoasRights offering
3/26AmendedCapital reductionMIRAE ASSET Life InsuranceCapital reduction
3/26KUMHO Engineering & ConstructionRights offering
3/26AmendedMIRAE ASSET Life InsuranceCapital reduction
3/26AmendedSungwon Ener TechRights offering
3/26AmendedDaiyang MetalConvertible bond issue
3/26AmendedKR MotorsConvertible bond issue
3/26AmendedKR MotorsConvertible bond issue
3/26Hanwha SolutionsRights offering
3/26AmendedSecuLetterRights offering
3/26AmendedEco VoltCapital reduction
3/26Agent AIRights offering

M&A & spin-offs 10

3/26AmendedKolmarBNHBusiness transfer
3/26LotteSpin-off / split
3/26SK TelecomShare exchange
3/26SKShare exchange
3/26AmendedKolmar HoldingsBusiness transfer
3/26AmendedTera ScienceStake acquisition/disposal
3/26Lotte ChemicalSpin-off / split
3/26IbkimyoungMerger
3/26SK TelecomShare exchange
3/26AmendedNetmarbleShare exchange

Exchange actions 6

3/26InkredibleBuzzTrading halt
3/26EutilexTrading halt
3/26InkredibleBuzzExchange
3/26EutilexExchange
3/26DaedongMetalBonus issue
3/26MIRAE ASSET Life InsuranceTrading halt